./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4933d330328978fc58c1272b24df667abac2c29781773cc70881e558eb792494 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:33:03,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:33:04,045 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:33:04,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:33:04,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:33:04,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:33:04,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:33:04,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:33:04,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:33:04,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:33:04,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:33:04,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:33:04,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:33:04,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:33:04,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:33:04,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:33:04,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:33:04,091 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:33:04,092 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:33:04,092 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:33:04,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:33:04,092 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:33:04,092 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:33:04,092 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:33:04,092 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:33:04,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:33:04,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:04,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:33:04,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:33:04,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:33:04,094 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:33:04,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:33:04,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4933d330328978fc58c1272b24df667abac2c29781773cc70881e558eb792494 [2024-11-13 22:33:04,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:33:04,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:33:04,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:33:04,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:33:04,441 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:33:04,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i Unable to find full path for "g++" [2024-11-13 22:33:06,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:33:06,816 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:33:06,817 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i [2024-11-13 22:33:06,854 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/data/53f08a7f5/f766c1aa67a04ba8abb030789ef1850a/FLAGcc0c22738 [2024-11-13 22:33:06,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/data/53f08a7f5/f766c1aa67a04ba8abb030789ef1850a [2024-11-13 22:33:06,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:33:06,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:33:06,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:06,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:33:06,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:33:06,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:06" (1/1) ... [2024-11-13 22:33:06,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6770843f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:06, skipping insertion in model container [2024-11-13 22:33:06,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:06" (1/1) ... [2024-11-13 22:33:06,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:33:07,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:07,858 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:33:07,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:08,136 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:33:08,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08 WrapperNode [2024-11-13 22:33:08,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:08,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:08,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:33:08,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:33:08,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,205 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-13 22:33:08,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:08,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:33:08,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:33:08,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:33:08,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:33:08,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:33:08,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:33:08,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:33:08,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:08,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:33:08,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:33:08,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:33:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:33:08,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:33:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:33:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:33:08,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:33:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:33:08,464 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:33:08,466 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:33:08,642 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 22:33:08,642 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:33:08,700 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:33:08,700 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:33:08,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:08 BoogieIcfgContainer [2024-11-13 22:33:08,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:33:08,703 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:33:08,704 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:33:08,715 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:33:08,715 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:08" (1/1) ... [2024-11-13 22:33:08,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:33:08,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:08,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 22:33:08,789 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 22:33:08,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:33:08,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:08,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:09,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:09,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 22:33:09,329 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 22:33:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:33:09,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:09,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:09,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:09,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:09,548 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:33:09,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:33:09 ImpRootNode [2024-11-13 22:33:09,585 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:33:09,586 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:33:09,586 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:33:09,586 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:33:09,587 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:08" (3/4) ... [2024-11-13 22:33:09,590 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:33:09,591 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:33:09,594 INFO L158 Benchmark]: Toolchain (without parser) took 2716.99ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 83.9MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:09,595 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:09,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1263.35ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 78.9MB in the end (delta: 9.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-13 22:33:09,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.63ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:09,599 INFO L158 Benchmark]: Boogie Preprocessor took 20.05ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:09,600 INFO L158 Benchmark]: RCFGBuilder took 476.01ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 60.9MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:33:09,600 INFO L158 Benchmark]: CodeCheck took 881.49ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 83.9MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:09,600 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 83.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:09,602 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573, overapproximation of fgets at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1550] int CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData; [L1573] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1573] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL CWE190_Integer_Overflow__int_fgets_preinc_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] CWE190_Integer_Overflow__int_fgets_preinc_68_badData = data [L1568] CALL CWE190_Integer_Overflow__int_fgets_preinc_68b_badSink() [L1583] int data = CWE190_Integer_Overflow__int_fgets_preinc_68_badData; VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_badData=2147483647, CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1585] ++data VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_badData=2147483647, CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1263.35ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 78.9MB in the end (delta: 9.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.63ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.05ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.01ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 60.9MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 881.49ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 83.9MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 83.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:33:09,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4933d330328978fc58c1272b24df667abac2c29781773cc70881e558eb792494 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:33:12,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:33:12,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:33:12,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:33:12,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:33:12,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:33:12,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:33:12,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:33:12,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:33:12,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:33:12,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:33:12,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:33:12,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:33:12,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:33:12,558 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:33:12,558 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:33:12,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:33:12,559 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:33:12,559 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:33:12,559 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:33:12,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:33:12,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:33:12,559 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:33:12,560 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:33:12,560 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:33:12,560 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:12,560 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:33:12,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:33:12,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:12,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:33:12,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:33:12,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:33:12,561 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:33:12,561 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:12,561 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:33:12,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4933d330328978fc58c1272b24df667abac2c29781773cc70881e558eb792494 [2024-11-13 22:33:12,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:33:12,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:33:12,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:33:12,932 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:33:12,932 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:33:12,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i Unable to find full path for "g++" [2024-11-13 22:33:15,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:33:15,519 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:33:15,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_68_bad.i [2024-11-13 22:33:15,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/data/eabda3c26/38667027349a4314b5a0189bc56c347e/FLAGe2fbc58d0 [2024-11-13 22:33:15,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/data/eabda3c26/38667027349a4314b5a0189bc56c347e [2024-11-13 22:33:15,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:33:15,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:33:15,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:15,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:33:15,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:33:15,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:15" (1/1) ... [2024-11-13 22:33:15,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1887eefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:15, skipping insertion in model container [2024-11-13 22:33:15,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:15" (1/1) ... [2024-11-13 22:33:15,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:33:16,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:16,736 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:33:16,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:17,076 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:33:17,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:17 WrapperNode [2024-11-13 22:33:17,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:17,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:17,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:33:17,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:33:17,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:17" (1/1) ... [2024-11-13 22:33:17,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:17" (1/1) ... [2024-11-13 22:33:17,152 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-11-13 22:33:17,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:17,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:33:17,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:33:17,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:33:17,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:17" (1/1) ... [2024-11-13 22:33:17,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:17" (1/1) ... [2024-11-13 22:33:17,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:17" (1/1) ... [2024-11-13 22:33:17,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:17" (1/1) ... [2024-11-13 22:33:17,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:17" (1/1) ... [2024-11-13 22:33:17,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:17" (1/1) ... [2024-11-13 22:33:17,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:17" (1/1) ... [2024-11-13 22:33:17,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:17" (1/1) ... [2024-11-13 22:33:17,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:33:17,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:33:17,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:33:17,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:33:17,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:17" (1/1) ... [2024-11-13 22:33:17,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:17,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:33:17,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:33:17,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:33:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:33:17,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:33:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:33:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:33:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:33:17,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:33:17,484 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:33:17,486 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:33:17,696 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 22:33:17,698 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:33:17,756 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:33:17,756 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:33:17,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:17 BoogieIcfgContainer [2024-11-13 22:33:17,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:33:17,758 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:33:17,758 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:33:17,768 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:33:17,768 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:17" (1/1) ... [2024-11-13 22:33:17,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:33:17,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:17,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 22:33:17,834 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 22:33:17,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:33:17,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:17,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:17,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:17,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:17,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:33:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:18,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:33:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:18,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:33:18,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:18,109 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:33:18,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:33:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:18,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 22:33:18,139 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 22:33:18,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:33:18,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:18,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:18,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:18,143 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:18,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:33:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:18,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:18,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:18,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:33:18,509 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:33:18,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:33:18 ImpRootNode [2024-11-13 22:33:18,537 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:33:18,537 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:33:18,538 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:33:18,538 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:33:18,539 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:17" (3/4) ... [2024-11-13 22:33:18,541 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:33:18,542 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:33:18,543 INFO L158 Benchmark]: Toolchain (without parser) took 2958.76ms. Allocated memory is still 100.7MB. Free memory was 73.7MB in the beginning and 54.5MB in the end (delta: 19.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-13 22:33:18,544 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:18,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1492.48ms. Allocated memory is still 100.7MB. Free memory was 73.5MB in the beginning and 43.1MB in the end (delta: 30.4MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-13 22:33:18,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.33ms. Allocated memory is still 100.7MB. Free memory was 43.1MB in the beginning and 40.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:18,545 INFO L158 Benchmark]: Boogie Preprocessor took 47.76ms. Allocated memory is still 100.7MB. Free memory was 40.3MB in the beginning and 38.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:18,545 INFO L158 Benchmark]: RCFGBuilder took 550.91ms. Allocated memory is still 100.7MB. Free memory was 38.7MB in the beginning and 53.7MB in the end (delta: -14.9MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-13 22:33:18,546 INFO L158 Benchmark]: CodeCheck took 779.19ms. Allocated memory is still 100.7MB. Free memory was 53.7MB in the beginning and 54.5MB in the end (delta: -823.7kB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2024-11-13 22:33:18,546 INFO L158 Benchmark]: Witness Printer took 5.09ms. Allocated memory is still 100.7MB. Free memory was 54.5MB in the beginning and 54.5MB in the end (delta: 5.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:18,549 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573, overapproximation of fgets at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1550] int CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData; [L1573] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1573] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL CWE190_Integer_Overflow__int_fgets_preinc_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] CWE190_Integer_Overflow__int_fgets_preinc_68_badData = data [L1568] CALL CWE190_Integer_Overflow__int_fgets_preinc_68b_badSink() [L1583] int data = CWE190_Integer_Overflow__int_fgets_preinc_68_badData; VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_badData=2147483647, CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1585] ++data VAL [CWE190_Integer_Overflow__int_fgets_preinc_68_badData=2147483647, CWE190_Integer_Overflow__int_fgets_preinc_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1492.48ms. Allocated memory is still 100.7MB. Free memory was 73.5MB in the beginning and 43.1MB in the end (delta: 30.4MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.33ms. Allocated memory is still 100.7MB. Free memory was 43.1MB in the beginning and 40.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.76ms. Allocated memory is still 100.7MB. Free memory was 40.3MB in the beginning and 38.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 550.91ms. Allocated memory is still 100.7MB. Free memory was 38.7MB in the beginning and 53.7MB in the end (delta: -14.9MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * CodeCheck took 779.19ms. Allocated memory is still 100.7MB. Free memory was 53.7MB in the beginning and 54.5MB in the end (delta: -823.7kB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * Witness Printer took 5.09ms. Allocated memory is still 100.7MB. Free memory was 54.5MB in the beginning and 54.5MB in the end (delta: 5.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:33:18,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4146ea-88f3-4267-af11-a4e112eb6ba5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample